/Engine/Source/Runtime/VulkanRHI/Public/VulkanShaderResources.h
struct FGlobalInfo
uint8
bImmutableSampler
1 if this is an immutable sampler
uint16
CombinedSamplerStateAliasIndex
If this is UINT16_MAX, it's a regular parameter, otherwise this is the SamplerState portion for a CombinedImageSampler and this is the index into Global for the Texture portion
uint16
OriginalBindingIndex
uint8
Pad0
uint16
TypeIndex